Blocked by rbl 1

[Mick]

I am trying to send email to an adress that is both in my Office Outlook 2007
Contacts file and has been added to my safe recepients list in the Action -
Junk Mail file. It keeps being returned from the System Administrator as
undeliverable and states- The following recipient(s) could not be reached.
554. 5.7.1 149.254.192.192 Blocked by rbl 1

Help please

 

[Brian Tillman]

I am trying to send email to an adress that is both in my Office
Outlook 2007 Contacts file and has been added to my safe recepients
list in the Action - Junk Mail file. It keeps being returned from
the System Administrator as undeliverable and states- The following
recipient(s) could not be reached. 554. 5.7.1 149.254.192.192 Blocked
by rbl 1

You didn't include the entire error, but from what you did include, it
appears that your recipient's mail server is using an RBL (realtime
blackhole list) that considers your IP address a spam address or, at any
rate, an address from which it will not accept a direct connection. It
looks like you're using T-Mobile in the UK.